package com.ycl.service.message.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.ycl.controller.video.common.constant.ChannelCode;
import com.ycl.controller.video.common.util.CommonUtils;
import com.ycl.dto.message.MessageParam;
import com.ycl.entity.message.Message;
import com.ycl.entity.message.SendReq;
import com.ycl.entity.message.SendRes;
import com.ycl.exception.ApiException;
import com.ycl.mapper.message.MessageMapper;
import com.ycl.mapper.user.UmsAdminMapper;
import com.ycl.service.message.IMessageService;
import com.ycl.utils.MD5Util;
import com.ycl.vo.message.MessageVO;
import lombok.SneakyThrows;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.mail.javamail.JavaMailSenderImpl;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.Base64Utils;
import org.springframework.web.client.RestTemplate;

import javax.annotation.Resource;
import javax.mail.internet.MimeMessage;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Properties;
import java.util.stream.Collectors;

/**
 * <p>
 * 消息 服务实现类
 * </p>
 *
 * @author mg
 * @since 2022-10-08
 */
@Service
public class MessageServiceImpl extends ServiceImpl<MessageMapper, Message> implements IMessageService {

    @Value("${e-mail.sendHost}")
    private String sendHost;

    @Value("${e-mail.username}")
    private String userName;

    @Value("${e-mail.password}")
    private String password;

    @Value(value = "${SMS.ecName}")
    private String ecName;     //集团客户名称

    @Value(value = "${SMS.apId}")
    private String apId;       //用户名

    @Value(value = "${SMS.sign}")
    private String sign;       //网关签名编码，必填，签名编码在中国移动集团开通帐号后分配，可以在云MAS网页端管理子系统-SMS接口管理功能中下载。

    @Value(value = "${SMS.url}")
    private String url;

    @Resource
    private UmsAdminMapper umsAdminMapper;
    @Resource
    private MessageMapper messageMapper;

    @Resource
    RestTemplate restTemplate;

    @Override
    @Transactional(rollbackFor = Exception.class)
    public String sendMessage(Message message) {

        Message savedMessage = messageMapper.selectOne(new LambdaQueryWrapper<Message>()
                .eq(Message::getTargetTo, message.getTargetTo())
                .eq(Message::getTargetFrom, message.getTargetFrom())
                .eq(Message::getBody, message.getBody())
                .eq(Message::getHead, message.getHead()));
        if (savedMessage != null) {
            messageMapper.deleteById(savedMessage);
        }

        ArrayList<Long> ids = new ArrayList<>();
        message.setTargetFrom(umsAdminMapper.selectById(message.getCreateUser()).getUsername());
        for (String receive : message.getTargetTo().split(",")) {
            Message sendMessage = new Message();
            BeanUtils.copyProperties(message, sendMessage);
            sendMessage.setCreateTime(new Date());
            sendMessage.setSendTime(new Date());
            sendMessage.setTargetTo(receive);
            sendMessage.setSendTime(new Date());
            this.save(sendMessage);
            ids.add(sendMessage.getId());
        }
        switch (message.getChannelCode()) {
            //邮件发送
            case ChannelCode.SMS:
                sendSMS(message, ids);
                break;
            //短信发送
            case ChannelCode.MAIL:
                sendMail(message);
                break;
            case ChannelCode.INNER:
                break;
            default:
                throw new ApiException("未匹配到该类型");
        }
        return "send message success!";
    }

    @SneakyThrows
    private void sendSMS(Message message, List<Long> mesIds) {
        String context = "【" + message.getHead() + "】" + message.getBody();
        String addSerial = "";
        SendReq sendReq = new SendReq();
        sendReq.setEcName(ecName);
        sendReq.setApId(apId);
        sendReq.setSign(sign);
        sendReq.setContext(context);
        String[] ids = message.getTargetTo().split(",");
        String[] mobiles = new String[ids.length];
        for (int i = 0; i < ids.length; i++) {
            mobiles[i] = umsAdminMapper.selectById(ids[i]).getMobile();
        }
        sendReq.setMobiles(StringUtils.join(mobiles, ","));
        sendReq.setAddSerial(addSerial);

        StringBuffer mac = new StringBuffer();
        mac.append(ecName);
        mac.append(apId);
        mac.append(sendReq.getMobiles());
        mac.append(context);
        mac.append(sign);
        mac.append(addSerial);
        sendReq.setMac(MD5Util.md5Encrypt32Lower(mac.toString()));

        HttpHeaders httpHeaders = new HttpHeaders();
        httpHeaders.setContentType(MediaType.APPLICATION_JSON);

        ObjectMapper objectMapper = new ObjectMapper();

        HttpEntity<String> stringHttpEntity = new HttpEntity<>(Base64Utils.encodeToString(objectMapper.writeValueAsBytes(mac)), httpHeaders);

        SendRes sendRes = objectMapper.readValue(restTemplate.postForEntity(url, stringHttpEntity, String.class).getBody(), SendRes.class);
        Message sendedMessage = new Message();
        if (sendRes.getRspcod().equals("success")) {
            for (Long id : mesIds) {
                sendedMessage.setStatus(2);
                sendedMessage.setRespondResult("发送成功");
                sendedMessage.setId(id);
                sendedMessage.setUpdateTime(new Date());
                sendedMessage.setSendTime(new Date());
                messageMapper.updateById(sendedMessage);
            }
        } else {
            for (Long id : mesIds) {
                sendedMessage.setStatus(3);
                sendedMessage.setRespondResult("发送失败");
                sendedMessage.setSendTime(new Date());
                sendedMessage.setId(id);
                sendedMessage.setUpdateTime(new Date());
                messageMapper.updateById(sendedMessage);
            }
        }
    }

    //发送邮件
    @SneakyThrows
    private void sendMail(Message message) {
        JavaMailSenderImpl javaMailSender = new JavaMailSenderImpl();
        javaMailSender.setHost(sendHost);
        javaMailSender.setUsername(userName);
        javaMailSender.setPassword(password);
        javaMailSender.setPort(465);
        Properties properties = new Properties();
        properties.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
        properties.put("mail.smtp.auth", "true");//必须是字符串而不能是boolean否则报错
        properties.put("mail.smtp.starttls.enable", "true");
        properties.put("mail.smtp.timeout", "1000");
        properties.put("mail.smtp.host", sendHost);
        javaMailSender.setJavaMailProperties(properties);
        MimeMessage mimeMessage = javaMailSender.createMimeMessage();
        MimeMessageHelper helper = new MimeMessageHelper(mimeMessage);
        helper.setText(message.getBody());
        helper.setSubject(message.getHead());
        helper.setFrom(userName);
        String[] ids = message.getTargetTo().split(",");
        String[] address = new String[ids.length];
        for (int i = 0; i < ids.length; i++) {
            address[i] = umsAdminMapper.selectById(ids[i]).getEmail();
        }
        helper.setTo(address);
        javaMailSender.send(mimeMessage);
    }

    @Override
    public Page<MessageVO> list(MessageParam messageParam) {
        Page<Message> page = new Page<>(messageParam.getCurrent(), messageParam.getPageSize());
        return messageMapper.selectMessagePage(page, messageParam);
    }

    @Override
    public Boolean deleteMessages(List<Long> ids) {
        LambdaQueryWrapper<Message> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.in(Message::getId, ids).or().in(Message::getParentId, ids);
        List<Message> messages = baseMapper.selectList(queryWrapper);
        if (CommonUtils.isNotEmpty(messages)) {
            List<Long> deleteIds = messages.stream().map(Message::getId).collect(Collectors.toList());
            baseMapper.deleteBatchIds(deleteIds);
        }
        return true;
    }
}